Folks,
Some one knows what is the Iridium s/plugs life?
after 20,000kms with the Iridium S/P i feel slow the Eng reaction like air/fuel mixture rich, phisically have a bit of erosion.
Now my cat has 53,000km
Thanks for your comments.
BR
Does the fuel contain lead?
no lead,
Remove and inspect. I replace my plugs every 6000 mile service, YMMV.